Lee's Useless Roman Numeral Converter

Welcome to Lee's Useless Roman Numeral Converter. (Formerly Lee's
Useless Arabic to Roman Numeral Converter (briefly), formerly Lee's
Useless Decimal to Roman Numeral Converter.) This CGI script was
created as a learning exercise. Simply enter a number or Roman
numeral in the appropriate space below and click the appropriate
Convert button. The number/Roman numeral you entered and its
equivalent will be displayed. For now, this script is limited to
positive numbers less than 4000.